variable value control 中文意思是什麼

variable value control 解釋
跟蹤控制
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  • value : n 1 價值;重要性;益處。2 估價,評價。3 價格,所值;交換力。4 (郵票的)面值。5 等值;值得花的代...
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  1. The dcs of i / a series is regarded as main reference object, and the control is separated from model. and the configuration of control is operatised at administration system, not to be added into model, not to build control sound code also. therefore it realizes on - line adjusting, real - time control and so on. users configurate by filling table. they only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, so personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the system, not need to know the programs deeply. so the configuration software offer a flat that control engineers can attend to control loop, not to give their attention to the complicated program

    在本課題中,採用填表的方式進行控制組態,用戶只需定義i / o條件、填寫具體的運算變量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改變各邏輯和控制變量在數據庫里的值,參與運行和調試,從而實現對系統的控制。因此,本組態軟體提供的這樣一個平臺,讓控制工程師能集中精力于控制迴路的構成,而不必拘泥於一些具體而煩瑣的程序操作。
  2. The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function

    作為遺傳演算法的具體實施:根據本實驗室近來研製的吸波材料,建立了吸波材料的相關數據庫;構造了能真實體現「薄、輕、寬、強」優化目標的目標函數;根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求,建立了能動態擴展相應碼長的自適應編碼方法;首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術,以此實現了在不弱化寬頻、高強的吸波性能目標的同時,兼顧到薄層、輕質的使用性能要求;在解碼時通過動態跟蹤厚度變量的約束條件,實現了多層單組分吸波塗層對重量輕的要求;通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件,實現了多層多組分吸波塗層對重量輕的要求;使用權重系數變化法,實現了吸波塗層的分頻段吸波性能要求。
  3. Therefore it comes true the on - line adjusting, real - time control and so on. it sames as real locale. the software of logic protect ( include electric logic ) and control includes some usual algebraic and operation model of thermal control and logic operation of logic protect. it adopts foxboro ' s dcs as a example, so we configuration via filling table, user only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the set, not need to know about the inside of the old programs deeply. so the configuration software offer a flat that control engineer can attend to the structure of control loop and logic protect ( include electric logic ), not but to handle complicated program

    它以foxboro的dcs控制系統為主要參考模式,採用填表的方式進行控制組態,用戶只需定義i / o條件、填寫具體的運算變量名、邏輯變量名即可。本軟體為建模人員提供了一個友好的用戶界面,使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改,實時改變各邏輯和控制變量在數據庫里的值,參與運行和調試,從而實現對機組的控制。因此,本組態軟體提供的這樣一個平臺,讓控制工程師能集中精力于控制迴路及邏輯保護(包含電氣邏輯)的構成,而不必拘泥於一些具體而煩瑣的程序操作。
  4. Optimal periodic control with the lowest operational cost by limiting total substrate discharge mass was studied. through adding new state variable and using supplement functions, the problem with restriction conditions was converted into nonrestriction problem. in addition, the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method, consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better. it was found that the operational costs of optimal control under various initial states are distinctly different. a new concept of optimal control under optimal initial state was presented. it is pointed out emphatically that to the treatment system without optimal control condition, the suboptimal control with extensive practical value can be realized according to the results of optima control

    著重研究了在限制有機物排放總量時,使其運行費用最低的最優周期控制問題.通過增加新的狀態變量和用補償函數法,將本課題的有約束條件問題化為無約束條件問題,並提出了最優步長參數的動態搜索法來修改傳統的梯度法,從而較完善地解決了多變量最優周期控制的計算問題.研究中還發現了不同初始條件下最優控制所需要的運行費用也大不相同,進而提出了最優初始狀態下最優周期控制的新概念,這對保證出水質量的同時進一步降低污水處理成本來說具有更重要的意義.本文還強調指出:對于尚不具備實現最優控制條件的處理系統,可根據最優控制的研究結果實現具有廣泛實用價值的準最優控制
  5. Based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    為滿足實際作戰的要求,基於最優控制理論和奇異攝動方法,提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制,最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響,提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明,該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  6. Abstract : based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application

    文摘:為滿足實際作戰的要求,基於最優控制理論和奇異攝動方法,提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制,最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響,提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明,該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值
  7. Co value and fog value is the input variable of fuzzy system, pass through fuzzy, fuzzy rules, fuzzy inference and fuzzy decision - making, a fuzzy control table that can be used directly in ventilation control program is gotten

    採用一氧化碳濃度和煙霧濃度作為模糊系統的輸入變量,經過模糊化、模糊控制規則的確定、模糊推理、模糊判決四個步驟,最終確定出可以直接用於通風控制編程使用的模糊控製表。
  8. One - cycle control method is a nonlinear control method. by controlling the switch duty - ratio, it can make the average value of a switched variable equal to or proportional to the control reference in each cycle, so the stationary and transient errors are eliminated

    單周控製法是一種非線性控製法,它通過控制開關占空比,使在每個周期內開關變量的平均值與控制參考信號相等或成一定比例,從而消除穩態和瞬態誤差。
  9. Taking the soft ? sensing of oxygen content in flue gas, unburned carbon content in fly ash and coal load in ball mill as examples, we emphatically analyze the current status, modeling method of their soft ? sensing and the secondary variable selection in the soft ? sensing ; and also summarize some other thermal parameter soft ? sensing techniques in our country, which is a guidance for the development of the thermal parameter soft ? sensing technique in power plant, and has some value for the optimization of thermal control systems

    以煙氣含氧量、飛灰含炭量、球磨機負荷為例,著重分析和總結了其測量的現狀、軟測量建模方法和二次變量的選取,並概括了國內現有的其他熱工參數軟測量技術,對火電廠熱工參數軟測量技術的發展具有一定的指導意義,對熱工控制系統的優化具有一定的參考價值。
  10. Single variable statistical process control ( svspc ) and mspc are both spc, the shortage of svspc is that it only notices the value of one variable at some moment, not suiting to analyze the multivariable process data with interrelation among them

    統計過程式控制制包括單變量統計方法和多元統計方法。傳統的單變量統計過程式控制制技術的局限性在於僅注意監視某一時刻的一個質量變量或關鍵過程變量,不適合分析變量間存在相關特性的多變量過程數據。
  11. Variable value control

    變值控制
  12. Initializes a new instance of the mutex class with a boolean value that indicates whether the calling thread should have initial ownership of the mutex, a string that is the name of the mutex, a boolean variable that, when the method returns, indicates whether the calling thread was granted initial ownership of the mutex, and the access control security to be applied to the named mutex

    使用一個指示調用線程是否應擁有互斥體的初始所屬權的布爾值、一個作為互斥體名稱的字元串、一個在方法返回時指示調用線程是否被授予互斥體的初始所屬權的布爾變量、以及要應用於已命名的互斥體的訪問控制安全性來初始化
  13. Class, specifying whether the wait handle is initially signaled if created as a result of this call, whether it resets automatically or manually, the name of a system synchronization event, a boolean variable whose value after the call indicates whether the named system event was created, and the access control security to be applied to the named event if it is created

    類的新實例,並指定在此調用后創建的等待句柄最初是否處于終止狀態,它是自動重置還是手動重置,系統同步事件的名稱,一個boolean變量(其值在調用后表示是否創建了已命名的系統事件) ,以及應用於已命名的事件(如果創建了該事件)的訪問控制安全性。
  14. In this paper the algorithms of multi - variable dynamic matrix control ( mdmc ) and pair of value dynamic matrix control ( pvdmc ) and their applications are proposed on the unit coordinated control system

    本文的主要工作是研究多變量動態矩陣控制演算法,提出多變量雙值動態矩陣控制演算法,並把它們應用於單元機組協調控制中。
  15. The characteristic value of the so - called inverse algebraic eigenvalue problem is that under certain restrict conditions against the question, elements of matrix are determined according to eigenvalue or eigenvector. the practical inverse alebraic eigenvalue problem arose in phisical chemistry in the study of molecular structures. it arises in various areas of application in a lot of filelds, such as dispersed system of physical mathematic, design of vibration system of the structure, correct and control, particle nuclear spectroscopy, linear variable control system and so on

    所謂代數特徵值反問題就是在一定的限制條件下,根據給定的特徵值或特徵向量決定矩陣的元素,它是在研究物理化學中研究分子結構時發現的。矩陣特徵值反問題在數學物理反問題的離散系統、結構振動系統的設計、校正與控制、粒子物理的核光譜學、線性多變量控制系統的極點配置等許多領域都具有重要的應用。
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